Selena Gomez, Martin Short, and Steve Martin are back with another intriguing season of the hit murder-podcast comedy, “Only Murders in the Building.” The show has taken a bold turn in its third season, introducing a captivating new mystery that has fans eagerly speculating about the identity of the killer. With the corpse played by none other than the talented Paul Rudd, the stakes are higher, the suspects are plenty, and the excitement is palpable. Unveiling the Mysterious Plot As the second season came to an end, fans of the…